REQ_GEN_PREFIX     15 arch/powerpc/perf/req-gen/_begin.h #define REQUEST_BEGIN CAT2_STR(REQ_GEN_PREFIX, _request-begin.h)
REQ_GEN_PREFIX     16 arch/powerpc/perf/req-gen/_begin.h #define REQUEST_END   CAT2_STR(REQ_GEN_PREFIX, _request-end.h)